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MODELS QTR090C· QTRE090C· QTR110C· QTRE110C
Page 2
PLAN
THE
INSTALLATION
INSTALL
HOUSING
&
DUCT
1.
Bend
housing tabs.
Use pliers
to
bend
housing
TABS out
to
90
0
•
2.
Mount
housing to
joist.
Hold housing in
place
so
that the
housing tabs
contact the bottom
of
the joist. The
housing mounts
with
four
(4)
screws
or
nails.
Screw or nail
housing to joist
through lowest holes in each mounting flange, then through
highest holes. NOTE: Mounting to
I-JOIST (shown) requires use
of
SPACERS (included) between the highest hole
of
each
mounting flange and the I-joist.
3.
Attach
damper
I duct
connector.
Snap damper I duct
connector onto
housing. Make sure
connector is flush
with
top
of
housing
and damper flap
falls closed.
4-IN.(101.6mm)
ELBOW*
* Purchase separately
The unit will operate most quietly and efficiently when located where
the shortest possible duct run and minimum number
of
elbows will be
needed.
Plan
to
supply
the
unit with proper line voltage and appropriate power
cable.
9~\9
TABS
I-JOIST
4.
Install4-inch
(101.6mm)
round
ductwork.
Connect 4-inch
(101.6
mm)
round
ductwork
to
damper I duct
connector. Run
ductwork
to
a
roof
cap
or
wall cap.
Tape all ductwork
connections to
make them secure and air tight.
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